United States of America
Duluth sees feels-like daytime highs peak around 28.3°C in July and nighttime lows bottom out near -14.1°C in January. June is the wettest month (~93 mm), while January is the driest (~3 mm). For sunshine, August leads with about 69% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are August, July, and June — expect around 17.8–27.1°C with roughly 35% chance of rain on a given day in August.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -14.1° / -7.6° | 1% | 3 mm | 37% | 17.6 kph |
| February | -12.6° / -5.4° | 2% | 4 mm | 38% | 17.7 kph |
| March | -6.1° / 0.8° | 7% | 18 mm | 42% | 17.4 kph |
| April | 0.8° / 7.9° | 18% | 44 mm | 45% | 16.9 kph |
| May | 7.2° / 16.3° | 31% | 73 mm | 49% | 15.3 kph |
| June☀ | 13.3° / 23.3° | 39% | 93 mm | 57% | 14.1 kph |
| July☀ | 18° / 28.3° | 38% | 88 mm | 67% | 13.4 kph |
| August☀ | 17.8° / 27.1° | 35% | 82 mm | 69% | 13.7 kph |
| September | 12.6° / 20.6° | 31% | 77 mm | 61% | 15.1 kph |
| October | 4.6° / 11.8° | 23% | 56 mm | 52% | 16.2 kph |
| November | -3.8° / 2.2° | 11% | 28 mm | 45% | 16.5 kph |
| December | -11° / -5.2° | 4% | 10 mm | 38% | 16.9 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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